Antisocial
A common concern to cellphones is that they make their users antisocial. It is common to see people at restaurants, movies and sporting events playing on their phones instead of enjoying the surroundings. People who have friends who are addicted to playing on their cellphones may become tired with them because of their antisocial tendencies. Eventually, the cellphone-addicted person may begin losing friends because his friends are annoyed with his habit of using his phone.